Granted Patent
Utility
US 4,448,188 · App. 06/349,718
Method for providing an oxygen bearing liquid to a blood vessel for the performance of a medical procedure
Inventor:
Marvin P. Loeb
Patented Case
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Granted: May 15, 1984
Filed: Feb 18, 1982
Inventor
Marvin P. Loeb
Assignee (at issue)
LASERSCOPE
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.